Skin tightening device



FIG. 1 is a perspective view of a device for tightening of skin, showing my new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The broken lines are for environmental purposes only and form no part of the claimed design.

The nature and intended use of the article in which the design is embodied is that of a light energy device for tightening of skin. 

CLAIM The ornamental design for a device for tightening of skin, as shown and described. 